Home / 107,938.47-161,906.34-48,732.74

Finding the Fourth Proportional to 107,938.47, 161,906.34 and 48,732.74

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Solution

The fourth proportional to 107,938.47, 161,906.34 and 48,732.74 is: 73,098.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,938.47 : 161,906.34 = 48,732.74 : x
  2. Step 2: Convert to fraction form
    107,938.47/161,906.34 = 48,732.74/x
  3. Step 3: Cross multiply
    107,938.47x = 161,906.34 × 48,732.74
  4. Step 4: Simplify right side
    107,938.47x = 7,890,139,551.94
  5. Step 5: Solve for x
    x = 7,890,139,551.94/107,938.47
  6. Step 6: Final answer
    x = 73,098.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.